merge alarm handling from remote

1 files changed, 71 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Rendering/TextViewWeakEventManager.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Rendering/TextViewWeakEventManager.cs
new file mode 100644
index 000000000..ca1bb5959
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Rendering/TextViewWeakEventManager.cs
@@ -0,0 +1,71 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using Tango.Scripting.Editors.Utils;
+
+namespace Tango.Scripting.Editors.Rendering
+{
+	/// <summary>
+	/// Contains weak event managers for the TextView events.
+	/// </summary>
+	public static class TextViewWeakEventManager
+	{
+		/// <summary>
+		/// Weak event manager for the <see cref="TextView.DocumentChanged"/> event.
+		/// </summary>
+		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
+		public sealed class DocumentChanged : WeakEventManagerBase<DocumentChanged, TextView>
+		{
+			/// <inheritdoc/>
+			protected override void StartListening(TextView source)
+			{
+				source.DocumentChanged += DeliverEvent;
+			}
+			
+			/// <inheritdoc/>
+			protected override void StopListening(TextView source)
+			{
+				source.DocumentChanged -= DeliverEvent;
+			}
+		}
+		
+		/// <summary>
+		/// Weak event manager for the <see cref="TextView.VisualLinesChanged"/> event.
+		/// </summary>
+		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
+		public sealed class VisualLinesChanged : WeakEventManagerBase<VisualLinesChanged, TextView>
+		{
+			/// <inheritdoc/>
+			protected override void StartListening(TextView source)
+			{
+				source.VisualLinesChanged += DeliverEvent;
+			}
+			
+			/// <inheritdoc/>
+			protected override void StopListening(TextView source)
+			{
+				source.VisualLinesChanged -= DeliverEvent;
+			}
+		}
+		
+		/// <summary>
+		/// Weak event manager for the <see cref="TextView.ScrollOffsetChanged"/> event.
+		/// </summary>
+		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1034:NestedTypesShouldNotBeVisible")]
+		public sealed class ScrollOffsetChanged : WeakEventManagerBase<ScrollOffsetChanged, TextView>
+		{
+			/// <inheritdoc/>
+			protected override void StartListening(TextView source)
+			{
+				source.ScrollOffsetChanged += DeliverEvent;
+			}
+			
+			/// <inheritdoc/>
+			protected override void StopListening(TextView source)
+			{
+				source.ScrollOffsetChanged -= DeliverEvent;
+			}
+		}
+	}
+}